Function logForDiagnosticsNoPII

src/utils/diagLogs.ts:27–57

(
  level: DiagnosticLogLevel,
  event: string,
  data?: Record<string, unknown>,
)

 */
// sync IO: called from sync context
export function logForDiagnosticsNoPII(
  level: DiagnosticLogLevel,
  event: string,
  data?: Record<string, unknown>,
): void {
  const logFile = getDiagnosticLogFile()
  if (!logFile) {
    return
  }

  const entry: DiagnosticLogEntry = {
    timestamp: new Date().toISOString(),
    level,
    event,
    data: data ?? {},
  }

  const fs = getFsImplementation()
  const line = jsonStringify(entry) + '\n'
  try {
    fs.appendFileSync(logFile, line)
  } catch {
    // If append fails, try creating the directory first
    try {
      fs.mkdirSync(dirname(logFile))
      fs.appendFileSync(logFile, line)
    } catch {
      // Silently fail if logging is not possible
    }
  }
}

function getDiagnosticLogFile(): string | undefined {
  return process.env.CLAUDE_CODE_DIAGNOSTICS_FILE